CN219846362U - Surface cleaning device - Google Patents

Abstract

The utility model discloses a surface cleaning device, which belongs to the technical field of cleaning equipment and comprises a machine body, a floor brush, a liquid supply assembly, a dirt collecting assembly and a suction source assembly, wherein the dirt collecting assembly comprises a dirt collecting barrel, the machine body comprises a main shell, a positioning shell and a rear shell, a supporting part is arranged at the lower end of the main shell, an upper accommodating cavity is formed by the upper part of the main shell and the positioning shell in a matched manner, a lower accommodating cavity is formed by the lower part of the main shell, the positioning shell comprises a positioning upper shell and a positioning lower shell, the positioning upper shell is provided with a positioning cavity and an extending part, the positioning lower shell is provided with a vent hole, and an exhaust structure comprises an exhaust inlet arranged at the cavity wall of the positioning cavity, an exhaust outlet arranged at the extending part and an exhaust channel communicated with the exhaust inlet and the exhaust outlet. The specific structure of the positioning shell is reasonably arranged, so that the positioning shell can smoothly form an exhaust structure for the sewage collecting airflow to flow through while the structural difficulty of the positioning shell is reduced.

Description

Surface cleaning device

Technical Field

The utility model relates to the technical field of cleaning equipment, in particular to a surface cleaning device.

Background

In recent years, some cleaning devices are widely applied to daily life of people, and various cleaning devices bring great convenience to the life of people, so that living experience of people is improved. The existing hand-held surface cleaning machine generally comprises a machine body, a floor brush, a water supply assembly and a dirt collection assembly, wherein the floor brush is provided with a roller brush driven by a motor, the water supply assembly is used for supplying water to the roller brush so that the roller brush can wet a surface to be cleaned after absorbing water, and the dirt collection assembly is used for sucking dirt at the bottom of the floor brush and dirt scraped by a scraping plate into a sewage bucket. In order to expand the functional use of the handheld surface cleaner, some handheld surface cleaners independently set the dirt collecting fan and the battery as a suction source mechanism capable of providing suction force, and the suction source mechanism not only can be arranged on the cleaner body to provide suction force to realize dirt collecting, but also can be additionally connected with a dust collecting cup to realize dust collecting. However, the structure of the current machine body through which the air flow formed by the suction source mechanism flows is complex, which is not beneficial to ensuring the flow stability of the air flow, thereby being not beneficial to ensuring the suction strength and the dirt collecting effect of the dirt collecting air flow.

Disclosure of Invention

In order to solve the defects and shortcomings in the prior art, the utility model provides a surface cleaning device, wherein an exhaust structure on a machine body is reasonably arranged, so that the flow stability of the dirt collecting airflow is ensured, and the suction strength and dirt collecting effect of the dirt collecting airflow are ensured.

In order to achieve the above technical object, the present utility model provides a surface cleaning apparatus comprising

A body;

the floor brush is pivoted at the bottom end of the machine body and is provided with a dirt inlet, a cleaning piece and a scraping strip for scraping the cleaning piece;

a liquid supply assembly for supplying liquid to the cleaning member;

the dirt collecting assembly comprises a dirt collecting barrel which is detachably arranged on the machine body and can be communicated with the dirt inlet;

a suction source assembly detachably mounted on the main body and used for providing suction force to form a sewage collection airflow;

the machine body comprises a main shell, a positioning shell fixed on the front side of the main shell and a rear shell fixed on the rear side of the main shell, wherein a supporting part protruding forwards is arranged at the lower end of the main shell, an upper accommodating cavity for installing a suction source component is formed by the upper part of the main shell in a matched manner with the positioning shell, and a lower accommodating cavity for installing a dirt collecting barrel is formed by the lower part of the main shell, the positioning shell and the supporting part in a matched manner;

the positioning shell comprises a positioning upper shell and a positioning lower shell which are fixed together, the positioning upper shell is provided with a positioning cavity for the suction source component to be inserted and an extension part which extends downwards and is beyond the positioning lower shell, the positioning lower shell is provided with a vent hole for the sewage collecting airflow to flow through, and the exhaust structure comprises an exhaust inlet arranged at the cavity wall of the positioning cavity, an exhaust outlet arranged at the extension part, and an exhaust channel arranged between the positioning shell and the main shell and communicated with the exhaust inlet and the exhaust outlet.

Preferably, the main housing is provided with a boss portion protruding forward at a position corresponding to the lower accommodating cavity, and the boss portion is located between the main housing and a dirt collecting barrel installed at the lower accommodating cavity to enable the main housing and the dirt collecting barrel to be matched with each other to form an exhaust gap communicated with an exhaust outlet.

Preferably, the width of the boss portion is smaller than the width of the main casing, so that a gap is formed between at least one vertical edge of the boss portion and a vertical edge of the corresponding side of the main casing.

Preferably, the front side of the main shell is provided with a fragrance piece slot positioned below the boss.

Preferably, the front surface of the boss part is located in the vertical projection range of the fragrance sheet slot.

Preferably, a back concave positioning concave part is arranged at the position of the main shell corresponding to the positioning shell, and the positioning concave part is matched with the positioning shell to form an exhaust channel.

Preferably, the side wall of the suction source assembly is provided with a positioning part protruding outwards, and the main shell is provided with a positioning groove for inserting the positioning part and being positioned above the rear part of the positioning shell.

Preferably, protruding blocks protruding towards the center of the positioning groove are arranged on the groove walls on two vertical sides of the positioning groove, and guide inclined planes used for guiding the positioning part to be inserted into the positioning groove are arranged at the top ends of the protruding blocks.

Preferably, the top of the machine body is provided with a handle, the main shell and the rear shell are matched to form a mounting cavity, the top of the mounting cavity is provided with a pipe sleeve for fixing the handle, and a sealing element is arranged between the top of the pipe sleeve and the top wall of the rear shell.

Preferably, a connection structure is arranged between the lower end of the machine body and the ground brush, the connection structure comprises a lower connector rotatably arranged on the ground brush and an upper connector arranged at the lower end of the machine body, the machine body comprises a lower shell cover which is coated on the outer side of the supporting part, and a positioning and matching structure is arranged between the upper connector and the lower shell cover and between the upper connector and the lower end of the rear shell.

After the technical scheme is adopted, the utility model has the following advantages:

1. the surface cleaning device provided by the utility model has the advantages that the machine body adopts a split structure comprising the main shell, the positioning shell and the rear shell, the upper part of the main shell is matched with the positioning shell to form the upper accommodating cavity for installing the suction source component, the lower part of the main shell, the positioning shell and the supporting part are matched to form the lower accommodating cavity for installing the dirt collecting barrel, the specific structure of the machine body and the forming structure of the upper accommodating cavity and the lower accommodating cavity are reasonably arranged, and the structural difficulty of the machine body and the forming difficulty of related components are reasonably reduced. The suction source component is installed in the lower accommodating cavity and is partially inserted into the positioning cavity, the dirt collecting airflow flowing through the dirt collecting barrel can flow into the suction source component through the vent holes, the dirt collecting airflow flowing through the suction source component can flow into the exhaust channel through the exhaust inlet and then flow out from the exhaust outlet, the structural stability of the suction source component is guaranteed through the cooperation with the positioning cavity, the dirt collecting airflow can smoothly flow out through the exhaust structure, the flow stability of the dirt collecting airflow is guaranteed, and therefore the suction strength and dirt collecting effect of the dirt collecting airflow are guaranteed. The vent hole is formed by a positioning lower shell, the positioning cavity is formed by a positioning upper shell, the exhaust inlet and the exhaust outlet are respectively arranged at the cavity wall and the extension part of the positioning cavity, the specific structure of the positioning shell is reasonably arranged, and the positioning shell can smoothly form an exhaust structure for the sewage collecting airflow to flow through while the structural difficulty of the positioning shell is reduced.

2. The main casing corresponds to the part of accommodating the chamber under and sets up forward convex boss portion, when the dirt collection bucket is installed in accommodating the chamber department under, boss portion is located between main casing and the dirt collection bucket, can form the clearance of airing exhaust of stable in structure between dirt collection bucket and the main casing through boss portion, avoid dirt collection bucket and the main casing condition that does not have the clearance of airing exhaust of leading to dirt collection bucket to laminate completely with main casing when user's push-and-pull device rocks relatively around, make the dirt collection air current that flows through dirt inlet, dirt collection subassembly and suction source subassembly can be discharged smoothly through the structure of airing exhaust and clearance of airing exhaust, guarantee the smooth and easy nature of airing exhaust of dirt collection air current, be favorable to improving the suction intensity of dirt collection air current, thereby be favorable to improving dirt collection effect.

3. The width of boss portion is less than the width of main casing, makes to have the space between the vertical border of at least vertical one side of boss portion and main casing corresponding side, still can form effectual exhaust clearance through the space when album dirt bucket and boss portion paste each other between album dirt bucket and the main casing. The size of the boss part relative to the main shell is reasonably set, so that a structurally stable exhaust gap can be formed between the dirt collecting barrel and the main shell through the boss part.

4. The fragrant piece slot can be used for inserting the fragrant piece, and the fragrant piece that can carry when collecting the dirty air current and flow downwards and outwards discharge through the clearance of airing exhaust gives off to can improve the smell when collecting the dirty air current and discharge from the device, be favorable to improving user's use experience.

5. The front surface of boss portion is preferred to be located the vertical projection within range of fragrant piece slot, makes the collection dirty air current that flows downwards through the clearance of airing exhaust can flow through the surface of fragrant piece to make outside exhaust collection dirty air current can effectively carry the fragrant smell that fragrant piece distributes, be favorable to improving the smell improvement effect when collection dirty air current is discharged from the device.

6. The main shell is provided with the positioning concave part corresponding to the positioning shell, the positioning shell and the positioning concave part are matched to form an exhaust channel, the specific forming structure of the exhaust channel is reasonably arranged, and the communication requirements between the exhaust inlet and the exhaust outlet are met while the structural difficulty of the main shell and the positioning shell is reduced.

7. The side wall of the suction source component and the upper part of the main shell are provided with the mutually matched positioning part and positioning groove, the suction source component arranged at the upper accommodating cavity is circumferentially limited by the matching of the positioning part and the positioning groove, the structural stability of the suction source component when the suction source component is arranged at the upper accommodating cavity is improved, the sewage collecting airflow flowing through the suction source component can be stably discharged through the exhaust inlet, and the smooth discharging performance of the sewage collecting airflow is improved.

8. Set up the lug on the cell wall of vertical both sides of constant head tank, the top of lug sets up the direction inclined plane, and the user is with the suction source subassembly from top to bottom in last chamber department of acceping, and the location portion on the suction source subassembly lateral wall is contradicted earlier with the direction inclined plane and is inserted down in the constant head tank along the direction inclined plane, can reduce the operation degree of difficulty when the user installs suction source subassembly in last chamber department through the direction inclined plane, is favorable to improving user's use experience.

9. The handle is fixed in the top of fuselage through cooperating with the pipe box, can guarantee the fixed stability between handle and the fuselage when reducing the fixed degree of difficulty between the two through the pipe box. And a sealing piece is arranged between the top end of the pipe sleeve and the top wall of the rear shell, so that the condition that external liquid permeates into the machine body from a gap between the pipe sleeve and the rear shell to damage electric elements in the machine body is avoided.

10. The lower shell cover is covered on the outer side of the supporting part, so that the overall appearance effect of the machine body is ensured while the structural difficulty of the main shell is reasonably reduced. The upper connector and the lower shell cover and the lower end of the upper connector and the lower end of the rear shell are respectively provided with a positioning matching structure, namely, the front side and the rear side of the upper connector are in positioning matching with the lower end of the machine body, so that the structural stability of the upper connector at the lower end of the machine body can be improved, and the connection stability between the machine body and the ground brush can be improved.

Drawings

FIG. 1 is a schematic diagram of a surface cleaning apparatus according to an embodiment;

FIG. 2 is a block diagram of a surface cleaning apparatus according to an embodiment in which a suction source assembly is detached from a main body;

FIG. 3 is a block diagram of a floor brush in a surface cleaning apparatus according to an embodiment;

FIG. 4 is an exploded view of a floor brush in a surface cleaning apparatus according to an embodiment;

FIG. 5 is a vertical cross-sectional view of a body of a surface cleaning apparatus according to an embodiment;

FIG. 6 is an enlarged view at A in FIG. 5;

FIG. 7 is an enlarged view at B in FIG. 5;

FIG. 8 is an exploded view of a body of a surface cleaning apparatus according to an embodiment;

FIG. 9 is a partial block diagram of a control module mounted within a cavity in a surface cleaning apparatus according to an embodiment;

FIG. 10 is a partial perspective view of a control module mounted within a cavity in a surface cleaning apparatus according to an embodiment;

FIG. 11 is a perspective view of a body of a surface cleaning apparatus according to an embodiment;

FIG. 12 is a front view of a body of a surface cleaning apparatus of an embodiment;

FIG. 13 is a view showing a structure of the dirt collecting barrel and the machine body when the dirt collecting barrel is arranged at the lower accommodating cavity in the surface cleaning device according to the first embodiment;

FIG. 14 is a block diagram of a positioning housing in a surface cleaning apparatus according to an embodiment;

FIG. 15 is a block diagram of a suction source assembly in a surface cleaning apparatus according to an embodiment;

FIG. 16 is a view showing a structure of a lower end of a main body of the surface cleaning apparatus according to the embodiment;

FIG. 17 is a partial block diagram of a control module mounted in a cavity in a surface cleaning apparatus according to the second embodiment.

In the figure, 100-fuselage, 110-main shell, 111-supporting part, 112-boss part, 113-gap, 114-positioning concave part, 115-positioning groove, 116-bump, 117-guiding inclined plane, 118-concave cavity, 119-convex edge, 120-positioning shell, 121-positioning upper shell, 122-positioning lower shell, 123-vent hole, 124-positioning cavity, 125-extending part, 130-rear shell, 131-avoiding opening, 132-step part, 141-upper containing cavity, 142-lower containing cavity, 150-mounting cavity, 151-buckle, 160-exhaust structure, 161-exhaust inlet, 162-exhaust outlet, 163-exhaust channel, 171-exhaust gap, 172-exhaust gap, 180-lower shell cover, 181-positioning ribs, 191-pipe sleeves, 192-sealing elements, 193-cover plates, 194-sealing rings, 195-fragrance sheet inserting grooves, 196-fragrance sheets, 197-limiting sheets, 200-floor brushes, 210-dirt inlet, 220-cleaning elements, 230-floor brush main bodies, 240-front cover components, 250-roller brush cavities, 260-scraping strips, 270-elastic scraping, 310-dirt collecting barrels, 320-dirt collecting pipes, 400-suction source components, 410-positioning parts, 500-handles, 610-lower joints, 620-upper joints, 621-positioning grooves, 700-control modules, 710-control plates, 810-charging elements, 811-fixing seats, 812-charging pins, 820-plug-in units, 821-plug-in terminals, 830-elastic piece, 831-wire through hole, 910-water diversion piece, 920-clean water tank.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples. It is to be understood that the terms "upper," "lower," "left," "right," "longitudinal," "transverse," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, as used herein, are merely based on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the devices/elements referred to must have or be configured and operated in a particular orientation and therefore should not be construed as limiting the utility model.

Example 1

Referring to fig. 1 to 16, a surface cleaning apparatus according to an embodiment of the present utility model includes

A fuselage 100;

the floor brush 200 is pivoted to the bottom end of the machine body 100 and is provided with a dirt inlet 210, a cleaning member 220 and a scraping strip 260 for scraping the cleaning member 220;

a liquid supply assembly for supplying liquid to the cleaning member 220;

a dirt collecting assembly including a dirt collecting barrel 310 detachably mounted on the main body 100 and communicable with the dirt inlet 210;

a suction source assembly 400 detachably mounted to the main body 100 and for providing suction to form a flow of dirt collecting air;

the main body 100 comprises a main body 110, a positioning shell 120 fixed on the front side of the main body 110, and a rear shell 130 fixed on the rear side of the main body 110, wherein a supporting part 111 protruding forwards is arranged at the lower end of the main body 110, an upper accommodating cavity 141 for installing a suction source assembly 400 is formed by the upper part of the main body 110 in cooperation with the positioning shell 120, and a lower accommodating cavity 142 for installing a dirt collecting barrel 310 is formed by the lower part of the main body 110, the positioning shell 120 and the supporting part 111 in cooperation;

the positioning shell 120 comprises a positioning upper shell 121 and a positioning lower shell 122 which are fixed together, the positioning upper shell 121 is provided with a positioning cavity 124 for inserting the suction source assembly 400 and an extension portion 125 extending downwards beyond the positioning lower shell 122, the positioning lower shell 122 is provided with a ventilation hole 123 for the sewage collecting airflow to flow through, and the ventilation structure 160 comprises a ventilation inlet 161 arranged at the cavity wall of the positioning cavity 124, a ventilation outlet 162 arranged at the extension portion 125, and a ventilation channel 163 arranged between the positioning shell 120 and the main shell 110 and communicated with the ventilation inlet 161 and the ventilation outlet 162.

The suction source assembly 400 is installed in the lower accommodating cavity 142 and is partially inserted into the positioning cavity 124, the dirt collecting airflow flowing through the dirt collecting barrel 310 can flow into the suction source assembly 400 through the vent hole 123, the dirt collecting airflow flowing through the suction source assembly 400 can flow into the air exhaust channel 163 through the air exhaust inlet 161 and then flow out from the air exhaust outlet 162, the structural stability of the suction source assembly 400 is ensured through the cooperation with the positioning cavity 124, the dirt collecting airflow can smoothly flow out through the air exhaust structure 160, the flow stability of the dirt collecting airflow is guaranteed, and the suction strength and the dirt collecting effect of the dirt collecting airflow are guaranteed. The vent hole 123 is formed by the positioning lower shell 122, the positioning cavity 124 is formed by the positioning upper shell 121, the exhaust inlet 161 and the exhaust outlet 162 are respectively arranged at the cavity wall of the positioning cavity 124 and the extension portion 125, the specific structure of the positioning shell 120 is reasonably arranged, the difficulty of the structure of the positioning shell 120 is reduced, and the positioning shell 120 can smoothly form the exhaust structure 160 through which the sewage collecting airflow flows.

Referring to fig. 3 and 4, in the present embodiment, the floor brush 200 includes a floor brush main body 230 and a front cover assembly 240, and the front cover assembly 240 is detachably fastened to the top of the front side of the floor brush main body 230. When the front cover assembly 240 is buckled and installed at the top of the front side of the floor brush main body 230, the front cover assembly 240 and the floor brush main body 230 are matched to form a roller brush cavity 250 for installing the cleaning member 220, the cleaning member 220 is detachably installed at the roller brush cavity 250 and axially arranged along the left-right direction, the floor brush main body 230 is provided with a driving assembly for driving the cleaning member 220, the specific structure of the driving assembly can refer to the prior art, and the description of the driving assembly is omitted here. It is understood that the cleaning member 220 may be in the form of a conventional single-roll brush structure or a double-roll brush structure or a caterpillar mop structure.

Referring to fig. 3, the dirt inlet 210 is provided at a lower portion of the front side of the floor brush body 230 and is located at the rear of the roller brush cavity 250, and the dirt inlet 210 communicates with the roller brush cavity 250. The scraping strip 260 is arranged above the dirt inlet 210, and the front end of the scraping strip 260 stretches into the roller brush cavity 250 to be in interference with the mop cloth of the cleaning piece 220. The front side of the floor brush main body 230 is provided with an elastic scraper 270 positioned below the dirt inlet 210, and the bottom side of the elastic scraper 270 is in interference contact with the surface to be cleaned.

The liquid supply assembly comprises a clean water tank 920, a liquid supply pipeline, a liquid supply pump and a water dividing piece 910, wherein the clean water tank 920 is detachably arranged on the rear side of the machine body 100, the water dividing piece 910 is arranged on the front side of the floor brush main body 230 and is positioned above the sewage inlet 210, the liquid supply pipeline is arranged in the machine body 100 and the floor brush main body 230, one end of the liquid supply pipeline is detachably matched with the clean water tank 920 in a butt joint manner, the other end of the liquid supply pipeline is connected with the water dividing piece 910, and the liquid supply pump is arranged on the liquid supply pipeline. The liquid in the clean water tank 920 can flow to the water dividing member 910 along the liquid supply pipe by the pumping action of the liquid supply pump, and the liquid flowing out from the water dividing member 910 is absorbed by the cleaning member 220 so that the cleaning member 220 can absorb the liquid. It is to be understood that the specific structure of the water diversion member 910 may refer to the prior art, and will not be described herein.

Referring to fig. 8, the main housing 110 is provided with a concave positioning recess 114 at a position corresponding to the positioning housing 120, and the air exhaust passage 163 is formed by the positioning recess 114 cooperating with the positioning housing 120. It will be appreciated that a sealing engagement structure is provided between the suction source assembly 400 and the positioning housing 120 for maintaining an airtight seal and avoiding air leakage.

Referring to fig. 11, 12 and 13, the main housing 110 is provided with a boss portion 112 protruding forward at a portion corresponding to the lower receiving chamber 142, and the boss portion 112 is located between the main housing 110 and the dirt collecting tub 310 mounted at the lower receiving chamber 142 such that the two are cooperatively formed with an exhaust gap 171 communicating with the exhaust structure 160. When the dirt collecting barrel 310 is installed at the lower accommodating cavity 142, a stable-structure exhaust gap 171 can be formed between the dirt collecting barrel 310 and the main casing 110 through the boss part 112, so that the situation that the dirt collecting barrel 310 is completely attached to the main casing 110 without the exhaust gap 171 due to the fact that the dirt collecting barrel 310 swings back and forth relative to the main casing 100 when a user pushes and pulls the dirt collecting barrel, dirt collecting airflow flowing through the dirt inlet 210, the dirt collecting assembly and the suction source assembly 400 can be smoothly exhausted through the exhaust structure 160 and the exhaust gap 171, the exhaust smoothness of the dirt collecting airflow is ensured, the improvement of the suction strength of the dirt collecting airflow is facilitated, and the dirt collecting effect is improved.

Referring to fig. 5, in this embodiment, the dirt collecting assembly includes a dirt collecting barrel 310 and a dirt collecting pipe 320, the dirt collecting barrel 310 is detachably mounted at the lower accommodating cavity 142 on the front side of the machine body 100, the dirt collecting pipe 320 adopts a multi-section combined structure, one end of the dirt collecting pipe 320 extends into the floor brush main body 230 to communicate with the dirt inlet 210, and the other end of the dirt collecting pipe 320 extends into the supporting portion 111 and is detachably abutted to the dirt collecting barrel 310. The suction source assembly 400 provides the suction-formed sewage-collecting air flow flowing from the sewage inlet 210, then flows into the sewage-collecting tub 310 through the sewage-collecting duct 320, and the sewage-collecting air flow flowing into the sewage-collecting tub 310 flows through the suction source assembly 400 after being filtered, and the sewage-collecting air flow discharged from the suction source assembly 400 flows into the air-discharging gap 171 through the air-discharging structure 160, and then flows downward from the air-discharging gap 171 and is discharged out of the main body 100. It is understood that the specific structure of the suction source assembly 400 may refer to the prior art, and will not be described herein.

In order to ensure the effectiveness of the exhaust gap 171, referring to fig. 11 and 12, the width of the boss portion 112 is smaller than the width of the main casing 110 such that a space 113 is provided between at least one vertical edge of the boss portion 112 and the vertical edge of the corresponding side of the main casing 110. In this embodiment, a gap 113 is disposed between the left side of the boss portion 112 and the left side vertical edge of the main housing 110, and between the right side of the boss portion 112 and the right side vertical edge of the main housing 110, i.e. the gap 113 is disposed bilaterally with respect to the boss portion 112. It will be appreciated that a vertical edge of the boss portion 112 may also extend to a vertical edge of the corresponding side of the main housing 110 such that the void 113 is disposed on a single side with respect to the boss portion 112.

In this embodiment, the main housing 110 is embedded in the front side of the rear housing 130, and when the dirt collecting barrel 310 is mounted in the lower receiving chamber 142, the rear sidewall of the dirt collecting barrel 310 is embedded in the machine body 100, i.e. there is no gap between the dirt collecting barrel 310 and the left and right edges of the machine body 100. Referring to fig. 13, in order to smoothly discharge the dirt collecting airflow, when the dirt collecting barrel 310 is mounted in the lower receiving chamber 142, an air outlet gap 172 communicating with the air exhaust gap 171 is formed between the bottom wall of the dirt collecting barrel 310 and the supporting portion 111, and the dirt collecting airflow flowing downward along the air exhaust gap 171 is finally discharged from the air outlet gap 172.

Referring to fig. 12 and 15, in order to improve structural stability when the suction source assembly 400 is mounted at the upper receiving chamber 141, the sidewall of the suction source assembly 400 is provided with a positioning portion 410 protruding outward, and the main housing 110 is provided with a positioning groove 115 into which the positioning portion 410 is inserted and positioned above the rear portion of the positioning housing 120. When the suction source assembly 400 is mounted at the upper receiving cavity 141, the lower end of the suction source assembly 400 is inserted into the positioning cavity 124 to axially position and radially position the suction source assembly 400, and the positioning portion 410 is inserted into the positioning groove 115 to circumferentially position the suction source assembly 400, so that the dirt-collecting air flow flowing through the suction source assembly 400 can be smoothly discharged through the air exhaust structure 160.

In order to reduce the difficulty of the user in installing the suction source assembly 400 at the upper receiving cavity 141, the groove walls of the two vertical sides of the positioning groove 115 are provided with protrusions 116 protruding toward the center of the positioning groove 115, and the top ends of the protrusions 116 are provided with guide inclined surfaces 117 for guiding the positioning part 410 to be inserted into the positioning groove 115. When the user installs the suction source assembly 400 at the upper receiving chamber 141 from the top down, the positioning portion 410 on the sidewall of the suction source assembly 400 is firstly abutted against the guide slope 117 and is inserted into the positioning groove 115 along the guide slope 117.

Referring to fig. 6, the main housing 110 and the rear housing 130 are combined to form a mounting cavity 150, a clip 151 extending forward from the main housing 110 and corresponding to the upper portion of the upper receiving cavity 141 is provided in the upper end of the mounting cavity 150, the clip 151 is located above the positioning groove 115, and a clip groove matched with the clip 151 is provided on the sidewall of the suction source assembly 400. When the suction source assembly 400 is installed at the upper accommodating cavity 141, the buckle 151 is inserted into the clamping groove, and the suction source assembly 400 is further positioned through the cooperation of the buckle 151 and the clamping groove.

Referring to fig. 1, 2 and 6, a handle 500 is provided at the top end of the body 100, a socket 191 for fixing the handle 500 is provided at the top end of the installation cavity 150, a sealing member 192 is provided between the top end of the socket 191 and the top wall of the rear housing 130, and the sealing member 192 prevents external liquid from penetrating into the body 100 from a gap between the socket 191 and the rear housing 130 to damage electrical components in the body 100. In this embodiment, the sleeve 191 is made of plastic and is fixed to the top end of the rear housing 130 by screws, the sealing member 192 is sleeved outside the top end of the sleeve 191, and the lip edge on the top side of the sealing member 192 is clamped between the top surface of the sleeve 191 and the top wall of the rear housing 130. It will be appreciated that other suitable arrangements of seals 192 may be employed, such as gaskets.

Referring to fig. 3, 5 and 16, the lower end of the main body 100 is pivoted to the rear side of the main body 230, a connection structure is provided between the lower end of the main body 100 and the main body 230, the connection structure includes a lower connector 610 rotatably disposed at the rear side of the main body 230 and an upper connector 620 disposed at the lower end of the main body 100, the main body 100 includes a lower cover 180 covering the outer side of the supporting portion 111, and a positioning and matching structure is provided between the upper connector 620 and the lower cover 180, and between the upper connector 620 and the lower end of the rear housing 130. In this embodiment, the lower connector 610 is disposed at the rear side of the brush main body 230 and is rotatable up and down through shaft hole, and the lower cover 180 is disposed at the outer side of the supporting portion 111 and contacts the lower end of the rear housing 130, so that the supporting portion 111 is surrounded by the lower cover 180 and the rear housing 130. The upper part of the upper connector 620 is provided with a plurality of positioning grooves 621 which are distributed at intervals along the circumferential direction, the lower ends of the lower shell cover 180 and the rear shell 130 are provided with positioning ribs 181 which are matched with the positioning grooves 621, and the positioning ribs 181 are embedded in the positioning grooves 621 so that the upper connector 620 is axially positioned. It is to be understood that the positioning and matching structure is not limited to the structure that the positioning groove 621 matches with the positioning rib 181, and other structures meeting the positioning and matching requirements can be adopted.

Referring to fig. 5, 8 and 9, the surface cleaning apparatus further includes a control module 700 disposed in the installation cavity 150, the rear housing 130 is provided with an avoidance port 131 corresponding to the control module 700, the main body 100 further includes a cover plate 193, and the cover plate 193 is fixed at the avoidance port 131 to seal the control module 700 in the installation cavity 150. When the cover plate 193 closes the avoiding opening 131, the control module 700 is sealed in the installation cavity 150, the cover plate 193 plays a role in preventing water and dust, and performance stability of the control module 700 can be guaranteed. When the cover plate 193 opens the avoiding port 131, the control module 700 can be iteratively upgraded by programming program codes into the control module 700 through the data line. The specific structure of the fuselage 100 is reasonably improved, the control module 700 is iteratively upgraded on the premise that the fuselage 100 is not required to be disassembled and assembled through the matching of the cover plate 193 and the avoidance port 131, the structural stability of the fuselage 100 is guaranteed while the upgrading difficulty of the control module 700 is reduced, the defects that the upgrading workload is large, the difficulty is high, the structural performance of the fuselage 100 after being reassembled cannot be guaranteed and the like in the process of disassembling and assembling the fuselage 100 are avoided, and the upgrading cost of a user is reduced and the use experience of the user is improved.

Referring to fig. 9 and 10, the main housing 110 is provided with a circle of protruding edges 119 protruding backward and surrounding the protruding edges to form a cavity 118 corresponding to the boss 112, and the control module 700 is disposed in the cavity 118. In this embodiment, the control module 700 includes a control board 710 and electrical components disposed on the control board 710, and in order to avoid the electrical components on the control board 710 from being pressed, the protruding edge 119 protrudes backward by a height greater than the maximum thickness of the control module 700. Preferably, the control board 710 of the control module 700 is erected in the cavity 118 at a distance, that is, a certain gap is formed between the front surface of the control board 710 and the bottom wall of the cavity 118, so that the strength of the vibration of the machine body 100 transmitted to the control module 700 can be reduced, the structural stability of the control module 700 can be improved, and the heat dissipation of the control module 700 can be facilitated.

Referring to fig. 7, in order to ensure performance stability of the control module 700, a sealing ring 194 is positioned at the front side of the cover plate 193, and the flange 119 extends into the relief port 131 and abuts against the sealing ring 194. The circumferential sealing fit between the cover plate 193 and the flange 119 is realized through the interference fit between the flange 119 and the sealing ring 194, so that the adverse effect on the performance of the control module 700 caused by the external liquid penetrating into the concave cavity 118 from the gap between the cover plate 193 and the flange 119 is avoided.

In order to improve the structural stability of the cover plate 193, the rear housing 130 is provided with a circle of concave step portion 132 located at the periphery of the avoidance port 131, and the circumferential edge of the cover plate 193 closing the avoidance port 131 abuts against the step portion 132. The cover plate 193 fixed at the escape opening 131 is positioned forward and backward and vertically by being engaged with the stepped portion 132, and the cover plate 193 is prevented from being excessively pushed forward after being fixed to the control module 700. In this embodiment, the cover plate 193 is fixedly connected to the main housing 110 through screws, through holes are formed in the circumferential edge of the cover plate 193, avoiding holes corresponding to the through holes are formed in the step portion 132, and the main housing 110 is provided with a fixing column protruding backwards and hollow, so that the screws for fixing the cover plate 193 pass through the through holes and the avoiding holes from back to front and are screwed into the fixing column.

Referring to fig. 8, a charging member 810 electrically connected to the control module 700 is provided at a lower end of the mounting cavity 150, and the charging member 810 is fixed to a lower end of the rear housing 130. In this embodiment, the charging member 810 includes a fixing base 811 and a charging pin 812 disposed on the fixing base 811 by in-mold molding, and the fixing base 811 is fixed to the lower end of the rear housing 130 by a fastener. A plug unit 820 in butt fit with the suction source assembly 400 is arranged in the upper end of the mounting cavity 150, the plug unit 820 is provided with a plug terminal 821 extending out of the machine body 100, the charging member 810 can charge a battery in the suction source assembly 400 through the plug unit 820, and the battery in the suction source assembly 400 can supply power to an electric element of the device when the device works. Preferably, the fixing seat 811 is first predetermined to be located at the lower end of the rear housing 130 by a snap structure and then locked by a screw.

In this embodiment, the positioning upper shell 121 and the positioning lower shell 122 of the positioning shell 120 are fixed together through fasteners, the positioning shell 120 and the main shell 110 are pre-fixed through a fastening structure, the main shell 110 and the rear shell 130 are pre-fixed through a fastening structure, the lower shell cover 180 and the main shell 110 are pre-fixed through a fastening structure, the main shell 110 and the rear shell 130 are locked through screws, and two vertical edges of the positioning shell 120 and two vertical edges of the lower shell cover 180 are clamped and fixed between the main shell 110 and the rear shell 130.

The electrical components of the motor of the drive assembly, the liquid supply pump of the liquid supply assembly, the charging member 810, the plug terminal 821, and the like are connected to the control module 700 by a wire harness. Referring to fig. 10, in this embodiment, a through hole is formed in the flange 119, an elastic member 830 with a wire passing hole 831 is positioned at the through hole, and a part of the wire harness connected to the control module 700 passes through the wire passing hole 831 of the elastic member 830. The structural stability of the wire harness arranged in the machine body 100 can be improved through the cooperation of the wire harness through the wire through hole 831 on the elastic piece 830, and the wire harness can be prevented from directly contacting with the hard protruding edge 119 through the elastic piece 830, so that abrasion of the protruding edge 119 to the wire harness is reduced.

When the device works, the liquid supply assembly supplies liquid to the cleaning member 220 to enable the cleaning member 220 to absorb liquid and wet, the cleaning member 220 rotates under the drive of the driving assembly and wipes the surface to be cleaned, the scraping strip 260 scrapes the cleaning member 220, the elastic scraping strip 270 scrapes the surface to be cleaned, the suction source assembly 400 provides suction force to form a sewage collecting airflow, the sewage collecting airflow flows into the sewage collecting barrel 310 through the sewage collecting pipeline 320 after flowing from the sewage inlet 210, the sewage collecting airflow flowing through the sewage collecting barrel 310 flows into the suction source assembly 400 through the ventilation hole 123 after being filtered, the sewage collecting airflow flowing through the sewage collecting assembly 400 flows into the air exhaust gap 171 through the air exhaust structure 160, and the sewage collecting airflow flowing into the air exhaust gap 171 flows downwards and is finally discharged from the air outlet gap 172.

Example two

Referring to fig. 17, in order to improve smell of the collected air flow when being discharged, the front side of the main housing 110 is provided with a fragrance sheet slot 195 under the boss portion 112, the fragrance sheet slot 195 is used for inserting a fragrance sheet 196, and the collected air flow flowing downwards through the exhaust gap 171 and being discharged outwards can carry fragrance emitted by the fragrance sheet 196, so that smell of the collected air flow when being discharged from the device can be improved. In this embodiment, the front side of the main housing 110 is provided with a limiting piece 197 below the boss 112, and the fragrance piece slot 195 is formed by enclosing the limiting piece 197 with the front surface of the main housing 110.

In order to improve the smell improving effect when the dirt collecting air flow is discharged from the device, the front surface of the boss portion 112 is located in the vertical projection range of the fragrance sheet slot 195, so that the dirt collecting air flow flowing downwards through the air exhaust gap 171 can flow through the surface of the fragrance sheet 196, and the outwardly discharged dirt collecting air flow can effectively carry the fragrance emitted by the fragrance sheet 196.

It will be appreciated that the front surface of the boss portion 112 may be aligned with the front surface of the stopper 197, or the front surface of the boss portion 112 may be located forward of the front surface of the stopper 197.

Other structures of the second embodiment are the same as those of the first embodiment, and will not be described in detail here.

In addition to the above preferred embodiments, the present utility model has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the utility model, which shall fall within the scope of the utility model as defined in the appended claims.

Claims (10)

1. A surface cleaning apparatus comprising

A body;

the floor brush is pivoted at the bottom end of the machine body and is provided with a dirt inlet, a cleaning piece and a scraping strip for scraping the cleaning piece;

a liquid supply assembly for supplying liquid to the cleaning member;

the dirt collecting assembly comprises a dirt collecting barrel which is detachably arranged on the machine body and can be communicated with the dirt inlet;

a suction source assembly detachably mounted on the main body and used for providing suction force to form a sewage collection airflow;

the machine body is characterized by comprising a main shell, a positioning shell fixed on the front side of the main shell and a rear shell fixed on the rear side of the main shell, wherein a supporting part protruding forwards is arranged at the lower end of the main shell, an upper accommodating cavity for installing a suction source assembly is formed by the upper part of the main shell in a matched manner with the positioning shell, and a lower accommodating cavity for installing a dirt collecting barrel is formed by the lower part of the main shell, the positioning shell and the supporting part in a matched manner;

the positioning shell comprises a positioning upper shell and a positioning lower shell which are fixed together, the positioning upper shell is provided with a positioning cavity for the suction source component to be inserted and an extension part which extends downwards and is beyond the positioning lower shell, the positioning lower shell is provided with a vent hole for the sewage collecting airflow to flow through, and the exhaust structure comprises an exhaust inlet arranged at the cavity wall of the positioning cavity, an exhaust outlet arranged at the extension part, and an exhaust channel arranged between the positioning shell and the main shell and communicated with the exhaust inlet and the exhaust outlet.

2. The surface cleaning apparatus of claim 1, wherein the main housing has a boss portion protruding forward corresponding to a portion of the lower receiving chamber, and the boss portion is located between the main housing and the dirt collecting tub mounted at the lower receiving chamber so that the main housing and the dirt collecting tub cooperate with each other to form an exhaust gap communicating with the exhaust outlet.

3. A surface cleaning apparatus as claimed in claim 2, wherein the width of the boss portion is smaller than the width of the main casing such that there is a gap between at least one vertical edge of the boss portion and a vertical edge of the corresponding side of the main casing.

4. A surface cleaning apparatus as claimed in claim 2, wherein the front side of the main housing is provided with a fragrance sheet slot located below the boss.

5. The surface cleaning apparatus of claim 4, wherein the front surface of the boss portion is located within a vertical projection of the fragrance sheet slot.

6. A surface cleaning apparatus as claimed in claim 1, wherein the main housing is provided with a recessed locating recess at a location corresponding to the locating housing, the locating recess and the locating housing cooperating to form the air exhaust passage.

7. A surface cleaning apparatus as claimed in claim 1, wherein the side wall of the suction source assembly is provided with an outwardly projecting locating portion, and the main housing is provided with a locating slot into which the locating portion is inserted and which is located above the rear portion of the locating housing.

8. The surface cleaning apparatus of claim 7, wherein the positioning groove is provided with protrusions protruding toward the center of the positioning groove on the groove walls on both sides in the vertical direction, and guide slopes for guiding the positioning part to be inserted into the positioning groove are provided at the top ends of the protrusions.

9. A surface cleaning apparatus as claimed in claim 1, wherein the top end of the main body is provided with a handle, the main housing and the rear housing cooperate to form a mounting cavity, the top end of the mounting cavity is provided with a sleeve for securing the handle, and a seal is provided between the top end of the sleeve and the top wall of the rear housing.

10. The surface cleaning apparatus of claim 1, wherein a connection structure is provided between the lower end of the main body and the floor brush, the connection structure comprises a lower connector rotatably provided on the floor brush and an upper connector provided at the lower end of the main body, the main body comprises a lower housing cover covering the outer side of the supporting portion, and a positioning and matching structure is provided between the upper connector and the lower housing cover, and between the upper connector and the lower end of the rear housing.